[clang] [clang] Accept lambdas in C++03 as an extensions (PR #73376)

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@@ -3,8 +3,8 @@ extern groupshared float f;
 extern float groupshared f; // Ok, redeclaration?
 
 
-// NOTE:lambda is not enabled except for hlsl202x.
-// expected-error at +2 {{expected expression}}
+// expected-warning at +3 {{lambdas are a C++11 extension}}
+// expected-error at +2   {{expected body of lambda expression}}
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philnik777 wrote:

Should this work? I don't know much about HLSL, so I have no idea whether this is expected behaviour or a bug in my patch.

https://github.com/llvm/llvm-project/pull/73376